diff --git a/plugins/brew/brew.plugin.zsh b/plugins/brew/brew.plugin.zsh
index 41420b5b7..ea8900823 100644
--- a/plugins/brew/brew.plugin.zsh
+++ b/plugins/brew/brew.plugin.zsh
@@ -36,7 +36,7 @@ alias buf='brew upgrade --formula'
 
 function brews() {
   local formulae="$(brew leaves | xargs brew deps --installed --for-each)"
-  local casks="$(brew list --cask)"
+  local casks="$(brew list --cask 2>/dev/null)"
 
   local blue="$(tput setaf 4)"
   local bold="$(tput bold)"